Wall

- It is a solid structure that defines and sometimes protects an area.

- A wall delineates a building and supports its superstructure, separates space in buildings into rooms, or protects or delineates a space in the open air.

- Types of walls:

· Building wall: support roofs and ceilings.

· Boundary wall: include privacy walls, boundary-marking walls on property, and town walls.

· Separation wall: separate one population from another.

· Retaining wall: serve to provide a barrier to the movement of earth, stone or water.

· Shared wall: Special laws often govern walls shared by neighbouring properties.

· Portable wall: are used to take a large open space and effectively divide it into smaller rooms.